Links     Some Links of interest for Microwave and Filter Engineers
       
     

RF Cafe

An extensive resource for RF, wireless, and all aspects of science and engineering.
Engineers Club A large selection of online calculators + more
New Wave Instruments A comprehensive collection of RF & microwave resources for wireless communication engineers.

University of Waterloo

Interactive design of Multiple Coupled resonator Filters + some theory.

MTT-8 

Filters and Passive Components Newsgroup

Goodfellow

Supplier of ALL kinds of dielectrics and metals.
Very fast delivery.

AppCAD

Agilents classic design assistant for RF, microwave and wireless applications

Trans-Tech

Design software for ceramic resonators and filters.

Circuit Sage

Collection of links and routines for circuit designers

VNA Help

Microwave Network Analyzer Help Site